30648941 has 2 divisors, whose sum is σ = 30648942. Its totient is φ = 30648940.

The previous prime is 30648931. The next prime is 30648967. The reversal of 30648941 is 14984603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 990025 = 5446^2 + 995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30648941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30648931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15324470 + 15324471.

It is an arithmetic number, because the mean of its divisors is an integer number (15324471).

Almost surely, 2^30648941 is an apocalyptic number.

It is an amenable number.

30648941 is a deficient number, since it is larger than the sum of its proper divisors (1).

30648941 is an equidigital number, since it uses as much as digits as its factorization.

30648941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 30648941 is about 5536.1485709833. The cubic root of 30648941 is about 312.9477434562.

The spelling of 30648941 in words is "thirty million, six hundred forty-eight thousand, nine hundred forty-one".